Topic
Soil stabilization
About: Soil stabilization is a research topic. Over the lifetime, 3161 publications have been published within this topic receiving 48437 citations.
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TL;DR: In this article, several methods have been suggested to control the excessive heave associated with swelling of expansive soils, which can cause considerable distress to lightweight civil engineering structures, such as bridges.
Abstract: Excessive heave associated with swelling of expansive soils can cause considerable distress to lightweight civil engineering structures. Several methods have been suggested to control this problem....
347 citations
Journal Article•
TL;DR: In this paper, the authors describe the reaction of LIME and soil to changes in the PLASTICITY, SWELL, SHRINKAGE or COMPRESSIVE STRENGTH of the soil.
Abstract: THE USE OF HYDRATED LIME, CA/OH/2, FOR MODIFYING, UPGRADING, AND STABILIZING SOILS IS INCREASING GREATLY. THIS MEANS HIGHWAY LABORATORIES HAVE HAD THEIR WORK LOADS INCREASED, AND IN MANY INSTANCES, MORE THAN DOUBLED FOR A PARTICULAR JOB. BEFORE THE ADVENT OF THE USE OF LIME, THE LABORATORY WAS FINISHED WITH TESTING WHEN A SOIL WAS CLASSIFIED AS UNSUITABLE. NOW THE SAME SOIL IS TESTED AND RETESTED TO FIND THE PERCENTAGE OF LIME REQUIRED TO BRING THE SOIL WITHIN SPECIFICATIONS. IN MOST CASES THE PERCENTAGE IS DETERMINED BY COMPRESSIVE TESTS, ATTERBERG LIMITS TESTS, OR BOTH. THE REACTION OF LIME AND SOIL CAN BE DESCRIBED AS A SERIES OF CHEMICAL REACTIONS. THE RESULTS OF THESE REACTIONS ARE EXPRESSED AS A CHANGE IN THE PLASTICITY, SWELL, SHRINKAGE OR COMPRESSIVE STRENGTH OF THE SOIL. THEREFORE, A QUICK OR SIMPLE TEST IS NEEDED TO SHOW THE AMOUNT OF LIME REQUIRED TO REACT CHEMICALLY WITH A SOIL TO BRING ABOUT THESE PHYSICAL CHANGES TO AN OPTIMUM DEGREE. LABORATORY TESTS, INVOLVING MINERALOGICAL, PHYSICAL AND CHEMICAL CHARACTERISTICS OF UNTREATED AND LIME-TREATED SOILS HAVE PROVEN THAT PH TESTS CAN BE USED TO DETERMINE THE OPTIMUM LIME REQUIREMENTS OF A SOIL. /AUTHOR/
337 citations
Book•
01 Jan 1972
TL;DR: In this paper, the authors deal with the application of soil stabilization in construction practice (highways, airfields, dams, embankments, building foundations, and erosion protection) and discuss the principal soil stabilizing materials (cement, lime and bituminous compounds), and the stabilizing effects of the mechanical admixture of soils.
Abstract: This book, based mainly on experience in the Australasian environment, deals with the application of soil stabilization in construction practice (highways, airfields, dams, embankments, building foundations, and erosion protection). It shows the various means by which the stabilization response of different soils can be identified, and discusses the principal soil stabilizing materials (cement, lime and bituminous compounds), and the stabilizing effects of the mechanical admixture of soils. Machinery, methods, and some new soil stabilizer are also dealt with. /TRRL/
319 citations
TL;DR: In this article, a lean clay was stabilized with metakaolin-based geopolymer at different concentration (ranging from 3 to 15% of unstabilized soil at its optimum water content) to examine the feasibility of applying geopolymers in stabilizing soils.
304 citations
TL;DR: In this paper, a case study on the application of the vacuum preloading method for a soil improvement project in Tianjin, China is presented, where the ground settled nearly 1 m, and the average degree of consolidation was greater than 80%.
Abstract: This paper presents a case study on the application of the vacuum preloading method for a soil improvement project in Tianjin, China. The site area was 50 000 m2, and the soft clay treated was about 20 m thick, including a very soft muddy clay layer 4–5 m thick, formed from dredged slurry. The water contents of the clays were higher than or as high as the liquid limits. A vacuum load of 80 kPa was applied for 4 months. The ground settled nearly 1 m, and the average degree of consolidation was greater than 80%. The undrained shear strength of the soil increased two- to threefold after treatment. The procedures used for soil improvement, the field instrumentation programme, and the field monitoring data are described and discussed.
303 citations